Global patent index - EP 1014247 A2

EP 1014247 A2 2000-06-28 - Hydraulic control apparatus and control method for automobile

Title (en)

Hydraulic control apparatus and control method for automobile

Title (de)

Hydraulisches Steuergerät und Steuerverfahren für ein Fahrzeug

Title (fr)

Dispositif de commande hydraulique et procédé de commande pour une automobile

Publication

EP 1014247 A2 (EN)

Application

EP 99105021 A

Priority

JP 36138798 A

Abstract (en)

A linear solenoid (9) is actuated with a PWM signal from a hydraulic control circuit (10) to control a coupling state of a clutch in an automatic transmission (1). The linear solenoid (9) is controlled with a hydraulic pressure instruction and a detected current value, and the linear solenoid (9) is further controlled with a detected solenoid current. <IMAGE>

IPC 1-7 (main, further and additional classification)

G05D 16/20; F16K 31/06

IPC 8 full level (invention and additional information)

G05D 16/20 (2006.01); F16H 61/00 (2006.01); F16H 61/02 (2006.01); F16H 61/10 (2006.01); F16K 31/06 (2006.01); F16H 59/72 (2006.01)

CPC (invention and additional information)

F16H 61/0251 (2013.01); F16K 31/0675 (2013.01); F16H 59/72 (2013.01)

Citation (applicant)

JP H10225179 A 19980821 - AISIN AW CO

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

EP 1014247 A2 20000628; EP 1014247 A3 20011107; JP 2000179667 A 20000627; KR 20000047376 A 20000725

INPADOC legal status

2003-05-28 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Effective date: 20030401

2002-07-24 [AKX] PAYMENT OF DESIGNATION FEES

- Ref Legal Event Code: AKX

- Free Format Text: DE FR GB IT

2002-05-15 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20020308

2001-11-07 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2001-11-07 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI

2001-11-07 [RIC1] CLASSIFICATION (CORRECTION)

- Ref Legal Event Code: RIC1

- Free Format Text: 7G 05D 16/20 A

2000-06-28 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB IT

2000-06-28 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-06-28 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI